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阔叶树对红皮云杉人工林土壤营养状况的改善作用

周磊 王树力

周磊, 王树力. 阔叶树对红皮云杉人工林土壤营养状况的改善作用[J]. 北京林业大学学报, 2020, 42(3): 46-53. doi: 10.12171/j.1000-1522.20190113
引用本文: 周磊, 王树力. 阔叶树对红皮云杉人工林土壤营养状况的改善作用[J]. 北京林业大学学报, 2020, 42(3): 46-53. doi: 10.12171/j.1000-1522.20190113
Zhou Lei, Wang Shuli. Improvement of broadleaved tree species to soil nutrient conditions of Picea koraiensis plantations[J]. Journal of Beijing Forestry University, 2020, 42(3): 46-53. doi: 10.12171/j.1000-1522.20190113
Citation: Zhou Lei, Wang Shuli. Improvement of broadleaved tree species to soil nutrient conditions of Picea koraiensis plantations[J]. Journal of Beijing Forestry University, 2020, 42(3): 46-53. doi: 10.12171/j.1000-1522.20190113

阔叶树对红皮云杉人工林土壤营养状况的改善作用

doi: 10.12171/j.1000-1522.20190113
基金项目: 国家重点研发计划(2017YFD0601103),黑龙江省省级财政林业科研专项(201522)
详细信息
    作者简介:

    周磊。主要研究方向:水土保持与林业生态工程。Email:leizhou93@163.com 地址:150040 黑龙江省哈尔滨市和兴路26号东北林业大学林学院

    责任作者:

    王树力,教授。主要研究方向:生态学、水土保持及荒漠化防治。Email:shuliwang@163.com 地址:同上

Improvement of broadleaved tree species to soil nutrient conditions of Picea koraiensis plantations

  • 摘要: 目的研究红皮云杉人工林培育过程中林分地力的变化状况以及阔叶树对红皮云杉人工林土壤营养的改善作用,为红皮云杉人工林的培育筛选适宜的混交树种和施肥营养元素。方法在红皮云杉人工林和天然林中采集树叶、凋落物和土壤样品,实验室内使用碳氮分析仪测定样品C含量,凯氏定氮仪测定叶片和凋落物的N含量,连续流动分析仪测定土壤的N含量,硫酸−高氯酸消化−钼锑抗比色法测定样品P含量。结果(1)4种红皮云杉人工林间土壤的C、N、P含量差异显著,3种混交林均大于纯林,其中红皮云杉胡桃楸混交林C、N、P含量最大;(2)4种红皮云杉人工林间土壤的C∶N、C∶P差异显著,3种混交林均小于纯林,其中,红皮云杉胡桃楸混交林C∶N、C∶P最小;(3)混交树种叶片及其凋落物的N、P含量差异显著,以黄檗为最低,胡桃楸为最高,但均高于红皮云杉;(4)混交树种叶片及其凋落物的C∶N、C∶P以黄檗为最高,胡桃楸为最低,但均显著低于红皮云杉;(5)混交林中混交树种叶片及其凋落物与土壤之间C、N、P含量及C∶N、C∶P的相关性皆高于同林型中红皮云杉叶片及其凋落物与土壤之间C、N、P含量及C∶N、C∶P的相关性。结论依据树种叶片、凋落物及土壤部分的C含量、N含量、P含量、C∶N、C∶P和N: P,胡桃楸和水曲柳可做为红皮云杉人工林的适宜混交树种,培育过程中应注意解决N素和P素含量的不足。

     

  • 图  1  红皮云杉人工林和天然林树种叶片−凋落物−土壤的C含量、N含量和P含量

    不同小写字母表示不同林型间差异显著;不同大写字母表示不同组分间差异显著(P < 0.05)。下同。Different lowercase letters mean the difference is significant between varied plantation types; different capital letters mean the difference is significant between varied components (P < 0.05). The same below.

    Figure  1.  C content, N content and P content in the species leaf-litter-soil of Picea koraiensis plantations and natural forest

    图  2  红皮云杉人工林和天然林树种叶片、凋落物和土壤的生态化学计量特征

    Figure  2.  Ecological stoichiometric characteristics in the species leaf-litter-soil of Picea koraiensis plantations and natural forests

    表  1  研究林分状况

    Table  1.   General information of the study plantations

    林分类型
    Plantation type
    树种
    Species
    平均树高
    Average tree height/m
    平均胸径
    Average DBH/cm
    现存密度/(株·hm− 2
    Present density/
    (tree·ha− 1)
    郁闭度
    Canopy density/%
    红皮云杉纯林
    Pure Picea koraiensis plantation (PP)
    红皮云杉 Picea koraiensis 15.28 12.82 2 333 95
    红皮云杉黄檗混交林
    Picea koraiensis-Phellodendron amurens mixed plantations (PPheM)
    黄檗 Phellodendron amurens 16.44 11.45 833 95
    红皮云杉 Picea koraiensis 15.67 12.90 1 967
    红皮云杉水曲柳混交林
    Picea koraiensis-Fraxinus mandshurica mixed plantations (PFM)
    水曲柳 Fraxinus mandshurica 18.22 13.19 769 95
    红皮云杉 Picea koraiensis 16.83 13.56 1 346
    红皮云杉胡桃楸混交林
    Picea koraiensis-Juglans mandshurica mixed plantations (PJM)
    胡桃楸 Juglans mandshurica 19.78 14.08 722 95
    红皮云杉 Picea koraiensis 17.89 13.79 1 430
    天然林
    Natural forest (NF)
    水曲柳 Fraxinus mandshurica 17.75 14.86 950 90
    胡桃楸 Juglans mandshurica 18.23 13.25
    下载: 导出CSV

    表  2  红皮云杉人工林树种C含量、N含量、P含量在叶片、凋落物和土壤间的相关性

    Table  2.   Correlations of C content, N content, P content among species leaf, litter and soil of Picea koraiensis plantations

    元素
    Element
    相关组分
    Relative component
    红皮云杉纯林 PP红皮云杉黄檗混交林 PPheM红皮云杉水曲柳混交林 PFM红皮云杉胡桃楸混交林 PJM
    红皮云杉
    Picea
    koraiensis
    黄檗
    Phellodendron
    amurense
    红皮云杉
    Picea
    koraiensis
    水曲柳
    Fraxinus
    mandshurica
    红皮云杉
    Picea
    koraiensis
    胡桃楸
    Juglans
    mandshurica
    红皮云杉
    Picea
    koraiensis
    C 叶片与凋落物
    Leaf and litter
    0.82** 0.548* 0.653* 0.507* 0.605* 0.410* 0.639*
    叶片与土壤
    Leaf and soil
    0.481* 0.701** 0.576* 0.745** 0.692** 0.791** 0.645*
    凋落物与土壤
    Litter and soil
    0.716** 0.814** 0.642* 0.674* 0.562* 0.860** 0.676*
    N 叶片与凋落物
    Leaf and litter
    0.840** 0.693* 0.736** 0.723** 0.645* 0.641* 0.608*
    叶片与土壤
    Leaf and soil
    0.503* 0.646* 0.513* 0.804** 0.672* 0.748** 0.573*
    凋落物与土壤
    Litter and soil
    0.695* 0.765** 0.607* 0.704** 0.691** 0.820** 0.610*
    P 叶片与凋落物
    Leaf and litter
    0.724** 0.696** 0.638* 0.512* 0.658* 0.607* 0.792**
    叶片与土壤
    Leaf and soil
    0.578* 0.529* 0.402* 0.612* 0.559* 0.694** 0.588*
    凋落物与土壤
    Litter and soil
    0.638* 0.754** 0.518* 0.733** 0.630* 0.784** 0.607*
    注:**表示极显著相关(P < 0.01),*表示显著相关(P < 0.05)。Notes: ** means extremely significant correlation at P < 0.01 level, * means significant correlation at P < 0.05 level.
    下载: 导出CSV

    表  3  红皮云杉人工林树叶凋落物土壤系统的养分下降状况

    Table  3.   Decrease situation of nutrient in the leaf-litter-soil system of Picea koraiensis plantations

    指标 Index树叶 Leaf凋落物 Litter土壤 Soil
    C含量
    C content
    N含量
    N content
    P含量
    P content
    C含量
    C content
    N含量
    N content
    P含量
    P content
    C含量
    C content
    N含量
    N content
    P含量
    P content
    红皮云杉人工混交林平均降低值
    Average decrease value of PM/(g·kg− 1)
    10.170.620.1327.054.770.338.602.080.30
    红皮云杉人工纯林平均降低值
    Average decrease value of PP/(g·kg− 1)
    36.706.970.6426.6710.380.9019.625.170.77
    红皮云杉人工混交林平均降低率
    Average decrease rate of pure PM/%
    2.102.187.036.5617.7918.5410.5816.9815.87
    红皮云杉人工纯林平均降低率
    Average decrease rate of pure PP/%
    7.5824.4634.816.4638.7250.5624.1342.2040.74
    下载: 导出CSV

    表  4  红皮云杉人工混交林树叶凋落物土壤系统的养分改善状况

    Table  4.   Improvement of nutrient in the leaf-litter-soil system of Picea koraiensis mixed plantations

    指标 Index树叶 Leaf凋落物 Litter土壤 Soil
    C含量
    C content
    N含量
    N content
    P含量
    P content
    C含量
    C content
    N含量
    N content
    P含量
    P content
    C含量
    C content
    N含量
    N content
    P含量
    P content
    红皮云杉胡桃楸混交林平均提高值
    Average increase value of PJM/(g·kg− 1)
    30.29 7.67 0.61 12.50 7.61 0.76 17.42 4.65 0.66
    红皮云杉水曲柳混交林平均提高值
    Average increase value of PFM/(g·kg− 1)
    33.72 7.25 0.50 − 4.20 5.99 0.61 11.92 3.20 0.49
    红皮云杉黄檗混交林平均提高值
    Average increase value of PPheM/(g·kg− 1)
    15.59 4.16 0.42 − 9.43 3.24 0.34 3.70 1.41 0.24
    红皮云杉混交林平均提高值
    Average increase value of PM/(g·kg− 1)
    26.53 6.35 0.51 − 0.38 5.61 0.57 11.02 3.09 0.47
    红皮云杉胡桃楸混交林平均提高率
    Average increase rate of PJM/%
    6.77 35.65 50.58 3.24 46.29 86.36 28.24 65.65 59.29
    红皮云杉水曲柳混交林平均提高率
    Average increase rate of PFM/%
    7.53 33.67 41.63 − 1.09 36.43 69.09 19.32 45.14 44.11
    红皮云杉黄檗混交林平均提高率
    Average increase rate of PPheM/%
    3.48 19.32 35.16 − 2.44 19.73 38.64 6.00 19.94 21.61
    红皮云杉混交林平均提高率
    Average increase rate of PM/%
    5.93 29.51 42.62 − 0.10 34.14 64.77 17.86 43.64 41.96
    下载: 导出CSV
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出版历程
  • 收稿日期:  2019-03-04
  • 修回日期:  2019-04-23
  • 网络出版日期:  2020-03-07
  • 刊出日期:  2020-03-31

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